Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-21 and LANDSAT-8 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 8/2/2025
| Index | Date (NOAA-21) | Time (NOAA-21) | Lat,Lon (NOAA-21) | SZA (NOAA-21 ) | Date (LANDSAT-8) | Time (LANDSAT-8) | Lat,Lon (LANDSAT-8) | SZA (LANDSAT-8 ) | Distance(km) | Time Diff (sec) |
| 1 | 08/03/2025 | 14:03:38 | 70.17, -34.70 | 52.83 | 08/03/2025 | 14:04:45 | 70.15, -34.66 | 52.79 | 2.63 | 67 |
| 2 | 08/03/2025 | 14:54:20 | -70.05, 132.79 | 127.29 | 08/03/2025 | 14:54:15 | -70.04, 132.81 | 127.31 | 1.87 | 5 |
| 3 | 08/03/2025 | 15:44:58 | 69.64, -59.28 | 52.30 | 08/03/2025 | 15:43:46 | 69.71, -59.99 | 52.40 | 28.50 | 72 |
| 4 | 08/06/2025 | 06:20:32 | 70.10, 81.18 | 53.48 | 08/06/2025 | 06:21:17 | 70.10, 81.14 | 53.47 | 1.41 | 45 |
| 5 | 08/06/2025 | 07:11:14 | -69.98,-111.32 | 126.64 | 08/06/2025 | 07:10:47 | -69.99,-111.38 | 126.63 | 2.50 | 27 |
| 6 | 08/08/2025 | 21:47:01 | -71.11, 28.01 | 124.72 | 08/08/2025 | 21:48:06 | -71.01, 30.74 | 124.92 | 99.37 | 65 |
| 7 | 08/08/2025 | 22:37:27 | 70.09,-163.03 | 54.22 | 08/08/2025 | 22:37:48 | 70.09,-163.00 | 54.21 | 1.40 | 21 |
| 8 | 08/08/2025 | 23:28:08 | -69.96, 4.47 | 125.91 | 08/08/2025 | 23:27:17 | -69.98, 4.49 | 125.88 | 2.65 | 51 |
| 9 | 08/11/2025 | 14:03:39 | -70.26, 145.16 | 124.83 | 08/11/2025 | 14:04:50 | -70.23, 145.44 | 124.89 | 11.12 | 71 |
| 10 | 08/11/2025 | 14:54:20 | 70.03, -47.17 | 54.94 | 08/11/2025 | 14:54:19 | 70.01, -47.23 | 54.92 | 3.24 | 1 |
| 11 | 08/11/2025 | 15:45:02 | -69.90, 120.34 | 125.19 | 08/11/2025 | 15:43:49 | -69.91, 120.26 | 125.17 | 3.22 | 73 |
| 12 | 08/14/2025 | 06:20:32 | -70.15, -98.90 | 124.14 | 08/14/2025 | 06:21:22 | -70.13, -98.82 | 124.17 | 3.46 | 50 |
| 13 | 08/14/2025 | 07:11:15 | 70.02, 68.60 | 55.74 | 08/14/2025 | 07:10:49 | 70.02, 68.66 | 55.74 | 2.30 | 26 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 8/2/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 08/02/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8